Technical Data

Temperature – NTC

Measuring range -4° to 158 °F / -20 to +70 °C
Accuracy ±1 °F (32° to 158 °F) / ±0.5 °C (0 to +70 °C) , ±1.4 °F (-4° to 32 °F) / ±0.8 °C (-20 to +0 °C)
Resolution 0.1 °F / 0.1 °C
Reaction time 45 sec (t90)

Humidity – Capacitive

Measuring range 0 to 100 %rH
Accuracy ±1.8 %rH + 3 % of mv at +77 °F / ±1.8 %RH + 3 % of mv at +25 °C (5 to 80 %rH)
Resolution 0.1 %rH

Differential Pressure

Measuring range -0.480 to 0.480 InH₂O / -120 to +120 Pa
Accuracy ±2 % of mv + 0.002 InH₂O at +72 °F, 405 InH₂O / ±2 % of mv + 0.5 Pa at +22 °C, 1013 hPa
Resolution 0.001 InH₂O / 0.001 Pa
Reaction time 1 sec (t90)

Absolute Pressure

Measuring range 280 to 440 InH₂O / 700 to 1100 hPa
Accuracy ±1 InH₂O / ±3 hPa
Resolution 0.1 InH₂O / 0.1 hPa
Reaction time 1 sec

Volume Flow

Measuring range 24 to 2354 CFM / 40 to 4000 m³/h
Accuracy ±3 % of mv + 7 CFM at +72 °F / ±3 % of mv + 12 m³/h at +22 °C 405 InH₂O (50 to 2060 CFM) / 1013 hPa (85 to 3500 m³/h)
Reaction time 1 sec (t90)
Resolution 1 CFM / 1 m³/h

General Technical Data

EU-/EG-guidelines EU-guideline 2014/30/EU
Battery type Alkaline, type AA
Battery life 40 h
Display size 3.5"
Display function Dot matrix
Display ligthing with illumination
Interface Micro-USB; Bluetooth® 4.0 wireless technology
Memory 2 GB (internal)
Storage temperature -4° to 140 °F / -20 to +60 °C
Weight 102 oz. / 2900 g
Dimensions 24 x 24 in. (Standard hood) / 610 x 610 mm (Standard hood)
Operating temperature 23° to 122 °F / -5 to +50 °C